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标题: 94% of observations lie within +-4 standard deviations of the mean.中文怎样解 [打印本页]

作者: 黄非红    时间: 2008-2-25 22:17     标题: 94% of observations lie within +-4 standard deviations of the mean.中文怎样解

94% of observations lie within +-4 standard deviations of the mean.中文怎样解释比较恰当?谢谢
作者: 胡老师    时间: 2008-3-6 11:58

94% 的观测值落于均值正负四个标准差之内
作者: samon2004    时间: 2008-3-11 17:39

94% 的观测值落在均值±4倍标准差区间之内。即 mean±4SD





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